ArticleNanophotonics (Berlin, Germany)2024
Photothermal spectroscopy on-chip sensor for the measurement of a PMMA film using a silicon nitride micro-ring resonator and an external cavity quantum cascade laser.
Article in Nanophotonics (Berlin, Germany), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- SiACS measurement science au · 2026Article
- Suspended waveguide-enhanced near-infrared photothermal spectroscopy for ppb-level molecular gas sensing on a chalcogenide chip.Light, science & applications · 2026Article
- Flow Injection-Based Refractive Index Sensing with a SiACS applied optical materials · 2025Article
- Micro-Ring Resonator Assisted Photothermal Spectroscopy of Water Vapor.Sensors (Basel, Switzerland) · 2024Article
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10 authors.
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Abstract
Laser-based mid-infrared (mid-IR) photothermal spectroscopy (PTS) represents a selective, fast, and sensitive analytical technique. Recent developments in laser design permits the coverage of wider spectral regions in combination with higher power, enabling for qualitative reconstruction of broadband absorption features, typical of liquid or solid samples. In this work, we use an external cavity quantum cascade laser (EC-QCL) that emits in pulsed mode in the region between 5.7 and 6.4 µm (1770-1560 cm
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